Opravy

Arduino - an open source development platform and one of the most popular tools used for rapid prototyping by DIYers and engineers around the world.

The most popular of the Arduino series - UNO R3 baseboard with a microcontroller onboard - is a great tool for creating many electronic projects.

But if you add some expansion modules to it, its potential dramatically increases and creates even more possibilities.

I’d like to present twelve shields for Arduino with various functionalities from the Botland store; all twelve of them extend the basic capabilities of the iconic PCB with a microcontroller.

Since MIDI is a protocol that shares many features with standard asynchronous serial interfaces, you can use the Arduino UART pins to send and receive MIDI messages, for example, such as pressing or releasing a key on the keyboard, or changing the position of the modulation wheel.

The MIDI KIT Shield module can be plugged directly into the Arduino baseboard - the MIDI-IN connector will be connected to the Rx pin, while the MIDI-OUT connector will stay connected to the Tx pin, and the potentiometers on the MIDI KIT Shield board - to the A1 and A2 pins in the section of analog pins.

In addition, the board has three momentary buttons connected to the Arduino digital pins 2-4, with which you can transpose the keyboard, change presets, and other user-assigned functions.

The board has a RESET button, two LEDs that signal i.e. the exchange of MIDI messages, and a RUN/PROG button that allows you to re-program Arduino without disconnecting the MIDI KIT Shield module.

As a result, using an analog-to-digital converter in the Arduino (analog pins 0-5), you can control any external object (e.g. a motor, lighting, or a buzzer) by detecting the sound in a programmed frequency band of the input signal (e.g. using prescaler), and examine its frequency spectrum as well.

The signal transmission is uninterruptible.

Forbot Robot Shield Arduino The expansion shield from Forbot, compatible with Arduino, is a versatile electronic module with which you can add many interesting, useful functions to your robot.

The maximum current efficiency per single channel is 1.2 A.

Designers took care to protect the electronic circuits contained on the board, using anti-interference filters.

The buzzer with the infrared receiver can be programmed to trigger an acoustic signal when an obstacle is detected near the robot.

Besides, the board has a slide switch, an LED that indicates that the module is on, a polymer fuse, and protection against voltage with reverse polarity.

The board requires a voltage of 7-11 V, while the Arduino base module draws power from the Robot Shield board and thus does not need a separate power source.

SparkFun XBee Shield – a shield for Arduino Radio communication with the XBee system is a great way to increase the wireless communication capabilities of Arduino, and this can be achieved with a compatible SparkFun XBee Shield module attached to the baseboard.